II. The infinitive in English is expressed by writing the word (9) before a verb. In Spanish the infinitive es expressed by the verb endings (10), (11), and (12) . Most feminine adjectives end with the letter (13), Most masculine adjectives en with the letter (14).

I

Most feminine adjectives end with the letter A, Most masculine adjectives end with the letter O

Explanation:

The infinitive in English is expressed by writing the word (9)noun before a verb. In Spanish the infinitive is expressed by the verb endings (10)ar (,11) er , and (12) ir.

Most feminine adjectives end with the letter A, Most masculine adjectives end with the letter O but not all masculine adjectives would end with O and not all feminine adjectives would end with A ,but most of them will. Masculine means boy and feminine means girl.

usualmente me lavo los dientes antes de acostarme pero ayer no me lavé.  

usualmente hago mis tareas a las 15: 00pm pero ayer las hice a las 20 pm.  

usualmente llego a mi casa a las siete pero ayer volví a las nueve  

usualmente cocino arroz pero ayer cociné fideos.  

usualmente llamo a mi hermano al mediodía pero ayer lo llamé en la noche